# Devin (Cognition): Issue with sending Devin session responses

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-03-20 15:17 UTC · Resolved: 2026-03-20 16:14 UTC · Duration: 57 min
- Updates: 7 · Affected components: Agent, Cloud Agent
- [Vendor status page: https://stspg.io/zfl5ddzh60mq](https://stspg.io/zfl5ddzh60mq)
- [Company: Devin (Cognition)](https://rewindex.com/company/devin.md)

## Timeline of updates

- **investigating** 2026-03-20 15:17 UTC: We are currently experiencing an issue with sending follow up messages to existing Devin sessions. We are currently investigating the issue.
- **investigating** 2026-03-20 15:17 UTC: We are continuing to investigate this issue.
- **investigating** 2026-03-20 15:34 UTC: We are continuing to investigate the issue.
- **investigating** 2026-03-20 15:55 UTC: We are continuing to investigate the issue.
- **investigating** 2026-03-20 16:01 UTC: We have identified the root cause and are assessing a fix
- **investigating** 2026-03-20 16:13 UTC: Fix has been applied and user sessions are confirmed working.
- **resolved** 2026-03-20 16:14 UTC: This incident has been resolved, and affected components were actually web services and web server, not agent. Uptimes have been updated accordingly.

## Rewindex changes for this incident

- 2026-03-20 15:17 UTC: [Major incident: Issue with sending Devin session responses](https://rewindex.com/change/ia5ca14c8cbdd53.md)


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Canonical: https://rewindex.com/company/devin/incidents/v10wmjfd7n7l · Markdown: https://rewindex.com/company/devin/incidents/v10wmjfd7n7l.md · JSON: https://rewindex.com/api/v1/companies/devin/incidents/v10wmjfd7n7l · Generated 2026-10-20T02:20:32.122Z